The only thing I have found is that you can close it in the upper right hand corner, but when you reboot it comes back – I searched the preferences and did not find a way to disable it.

Resolution for '12 issue: 'turn off what’s new in QB POS v12.' available: Yes.

The 12 issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the 12 issue yourself by looking for a resolution described in the article. If it is a complex 12 issue or you are unable to solve the issue, you may contact us by clicking here or by using other 12 support options.

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